What does "universal time" mean?

the local time at the 0 meridian passing through Greenwich, England; it is the same everywhere

What is a synonym for "universal time"?

Common synonyms include: gmt, greenwich mean time, greenwich time, ut, ut1, utc.

name

name ·Rare ·Advanced level

Noun

1
the local time at the 0 meridian passing through Greenwich, England; it is the same everywhere wordnet

Proper Noun

1
A measure of time that conforms, within a close approximation, to the mean diurnal rotation of the Earth and serves as the basis of civil timekeeping.